Elmer is located in Salem county New jersey with a geographic area of 0.9 square miles. The total population in Elmer is 1,333 with 50.6% male and 49.4% female. Children under age 5 represent 3.2% of the population, under age 18 equal 17.9% of the population and over age 65 is 14.9% of the population. The median household income is $82,500, per capita income is $36,686. There are a total of 470 housing units with 65.5% owner occupied. Education includes 44.0% of residents that are high school graduates and 25.3% with a bachelor's degree or higher. The average temperature in Elmer in the summer is 73 degrees, and in the winter 34 degrees.
